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feat(cpicker): add hwb color space
This commit is contained in:
Eric Wong
parent
98e67a214c
commit
a9a14ff85b
@ -74,7 +74,7 @@ end
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local function copy_color()
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local from, to = vim
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.regex([[#[0123456789ABCDEF]\+\|rgb(\d\+,\s\d\+,\s\d\+)\|hsl(\d\+,\s\d\+%,\s\d\+%)\|hsv(\d\+,\s\d\+%,\s\d\+%)\|cmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)]])
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.regex([[#[0123456789ABCDEF]\+\|rgb(\d\+,\s\d\+,\s\d\+)\|hsl(\d\+,\s\d\+%,\s\d\+%)\|hsv(\d\+,\s\d\+%,\s\d\+%)\|cmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)\|hwb(\d\+,\s\d\+%,\s\d\+%)]])
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:match_str(vim.fn.getline('.'))
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if from then
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vim.fn.setreg('+', string.sub(vim.fn.getline('.'), from, to + 1))
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112
bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua
Normal file
112
bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua
Normal file
@ -0,0 +1,112 @@
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--=============================================================================
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-- hwb.lua
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-- Copyright (c) 2019-2024 Wang Shidong & Contributors
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-- Author: Wang Shidong < wsdjeg@outlook.com >
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-- URL: https://spacevim.org
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-- License: GPLv3
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--=============================================================================
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local M = {}
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local color = require('spacevim.api.color')
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local util = require('cpicker.util')
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local hue = 0 -- [0, 360]
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local whiteness = 0 -- [0, 100%]
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local blackness = 0 -- [0, 100%]
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local function on_change_argv()
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return 'hwb', { hue, whiteness, blackness }
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end
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function M.buf_text()
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local rst = {}
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local h_bar = util.generate_bar(hue, '+', 360)
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local w_bar = util.generate_bar(whiteness, '+')
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local b_bar = util.generate_bar(blackness, '+')
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table.insert(rst, 'HWB: H: ' .. string.format('%4s', math.floor(hue + 0.5)) .. ' ' .. h_bar)
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table.insert(
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rst,
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' W: ' .. string.format('%3s', math.floor(whiteness * 100 + 0.5)) .. '% ' .. w_bar
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)
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table.insert(
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rst,
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' B: ' .. string.format('%3s', math.floor(blackness * 100 + 0.5)) .. '% ' .. b_bar
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)
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return rst
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end
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function M.color_code()
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return
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' =========' .. string.format(
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' hwb(%s, %s%%, %s%%)',
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math.floor(hue + 0.5),
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math.floor(whiteness * 100 + 0.5),
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math.floor(blackness * 100 + 0.5)
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)
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end
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local function increase_hwb_h()
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if hue <= 359 then
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hue = hue + 1
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elseif hue < 360 then
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hue = 360
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end
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return on_change_argv()
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end
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local function reduce_hwb_h()
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if hue >= 1 then
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hue = hue - 1
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elseif hue > 0 then
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hue = 0
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end
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return on_change_argv()
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end
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local function increase_hwb_w()
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if whiteness <= 0.99 then
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whiteness = whiteness + 0.01
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elseif whiteness < 1 then
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whiteness = 1
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end
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return on_change_argv()
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end
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local function reduce_hwb_w()
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if whiteness >= 0.01 then
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whiteness = whiteness - 0.01
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elseif whiteness > 0 and whiteness < 0.01 then
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whiteness = 0
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end
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return on_change_argv()
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end
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local function increase_hwb_b()
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if blackness <= 0.99 then
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blackness = blackness + 0.01
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elseif blackness < 1 then
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blackness = 1
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end
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return on_change_argv()
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end
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local function reduce_hwb_b()
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if blackness >= 0.01 then
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blackness = blackness - 0.01
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elseif blackness > 0 and blackness < 0.01 then
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blackness = 0
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end
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return on_change_argv()
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end
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function M.increase_reduce_functions()
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return {
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{ increase_hwb_h, reduce_hwb_h },
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{ increase_hwb_w, reduce_hwb_w },
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{ increase_hwb_b, reduce_hwb_b },
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}
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end
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function M.on_change(f, code)
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if f == 'hwb' then
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return
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end
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hue, whiteness, blackness = color[f .. '2hwb'](unpack(code))
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end
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return M
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@ -5,7 +5,7 @@ let b:current_syntax = 'spacevim_cpicker'
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syntax case ignore
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syn match ProcessBar /[?=+]\+/
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syn match SpaceVimPickerCode /#[0123456789ABCDEF]\+\|rgb(\d\+,\s\d\+,\s\d\+)\|hsl(\d\+,\s\d\+%,\s\d\+%)\|hsv(\d\+,\s\d\+%,\s\d\+%)\|cmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)/
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syn match SpaceVimPickerCode /#[0123456789ABCDEF]\+\|rgb(\d\+,\s\d\+,\s\d\+)\|hsl(\d\+,\s\d\+%,\s\d\+%)\|hsv(\d\+,\s\d\+%,\s\d\+%)\|cmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)\|hwb(\d\+,\s\d\+%,\s\d\+%)/
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syn match SpaceVimPickerBackground /=\+/
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highlight ProcessBar ctermfg=Gray ctermbg=Gray guifg=Gray guibg=Gray
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@ -84,9 +84,9 @@ color.rgb2cmyk = function(r, g, b)
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local c, m, y, k
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k = 1 - math.max(r, g, b)
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if k ~= 1 then
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c = (1 - r - k) / (1 - k)
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m = (1 - g - k) / (1 - k)
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y = (1 - b - k) / (1 - k)
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c = (1 - r - k) / (1 - k)
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m = (1 - g - k) / (1 - k)
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y = (1 - b - k) / (1 - k)
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else
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c, m, y = 0, 0, 0
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end
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@ -160,10 +160,10 @@ end
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color.hsl2hsv = function(h, s, l)
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return color.rgb2hsv(color.hsl2rgb(h, s, l))
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end
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color.hsl2cmyk = function (h, s, l)
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color.hsl2cmyk = function(h, s, l)
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return color.rgb2cmyk(color.hsl2rgb(h, s, l))
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end
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color.hsv2cmyk = function (h, s, v)
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color.hsv2cmyk = function(h, s, v)
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return color.rgb2cmyk(color.hsv2rgb(h, s, v))
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end
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color.cmyk2hsv = function(c, m, y, k)
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@ -174,6 +174,65 @@ color.cmyk2hsl = function(c, m, y, k)
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return color.rgb2hsl(color.cmyk2rgb(c, m, y, k))
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end
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color.hwb2rgb = function(h, w, b)
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if w + b >= 1 then
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local gray = w / (w + b)
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return gray, gray, gray
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end
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local r, g, b = color.hsl2rgb(h, 1, 0.5)
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r = r * (1 - w - b) + w
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if r > 1 then
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r = 1
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elseif r < 0 then
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r = 0
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end
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g = g * (1 - w - b) + w
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if g > 1 then
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g = 1
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elseif g < 0 then
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g = 0
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end
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b = b * (1 - w - b) + w
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if b > 1 then
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b = 1
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elseif b < 0 then
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b = 0
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end
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return r, g, b
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end
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color.rgb2hwb = function(r, g, b)
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local h = color.rgb2hsl(r, g, b)
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local w = math.min(r, g, b)
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b = 1 - math.max(r, g, b)
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return h, w, b
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end
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color.hsv2hwb = function(h, s, v)
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return color.rgb2hwb(color.hsv2rgb(h, s, v))
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end
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color.hsl2hwb = function(h, s, l)
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return color.rgb2hwb(color.hsl2rgb(h, s, l))
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end
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color.cmyk2hwb = function(c, m, y, k)
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return color.rgb2hwb(color.cmyk2rgb(c, m, y, k))
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end
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color.hwb2hsl = function(h, w, b)
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return color.rgb2hwb(color.hwb2rgb(h, w, b))
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end
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color.hwb2hsv = function(h, w, b)
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return color.rgb2hsv(color.hwb2rgb(h, w, b))
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end
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color.hwb2cmyk = function(h, w, b)
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return color.rgb2cmyk(color.hwb2rgb(h, w, b))
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end
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local function decimalToHex(decimal)
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local hex = ''
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local hexChars = '0123456789ABCDEF'
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@ -206,4 +265,8 @@ color.cmyk2hex = function(c, y, m, k)
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return color.rgb2hex(color.cmyk2rgb(c, y, m, k))
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end
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color.hwb2hex = function(h, w, b)
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return color.rgb2hex(color.hwb2rgb(h, w, b))
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end
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return color
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